<!DOCTYPE html>
<!-- SPDX-License-Identifier: GPL-3.0-or-later -->
<html lang="en">
<head>
    <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
            new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
        j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
        'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
    })(window,document,'script','dataLayer','GTM-N6CBMJD');
    dataLayer.push({"anonymous_statistics" : "false"});
    </script>    
    <title>Goto a host you know...</title>
    <meta name="application-name" content="netdata">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
</head>
<script>
    var netdataRegistry = true;
    var netdataRegistryAfterMs = 0;
    var netdataTheme = 'slate';
    var netdataShowHelp = true;
</script>
<script type="text/javascript" src="dashboard.js?v20190902-0"></script>

<script>
function escapeUserInputHTML(s) {
    return s.toString()
        .replace(/&/g, '&amp;')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/#/g, '&#35;')
        .replace(/'/g, '&#39;')
        .replace(/\(/g,'&#40;')
        .replace(/\)/g,'&#41;')
        .replace(/\//g,'&#47;');
}

// if string.startsWith is not defined, define it
if(typeof String.prototype.startsWith !== 'function') {
    String.prototype.startsWith = function(s) {
        if(s.length > this.length) return false;
        return this.slice(s.length) === s;
    };
}

function verifyURL(s) {
    if(typeof(s) === 'string' && (s.startsWith('http://') || s.startsWith('https://')))
        return s
            .replace(/'/g, '%22')
            .replace(/"/g, '%27')
            .replace(/\)/g, '%28')
            .replace(/\(/g, '%29');

    console.log('invalid URL detected:');
    console.log(s);
    return 'javascript:alert("invalid url");';
}

var urlOptions = {
    host: null,
    chart: null,
    family: null,
    alarm: null,
    alarm_unique_id: 0,
    alarm_id: 0,
    alarm_event_id: 0,
    alarm_when: 0,
    hasProperty: function(property) {
        return typeof this[property] !== 'undefined';
    }
};

function netdataQueryParse() {
    var query = document.location.search.split('?');
    var variables = query[1].split('&');
    var len = variables.length;
    while(len--) {
        var p = variables[len].split('=');
        if(urlOptions.hasProperty(p[0]) && typeof p[1] !== 'undefined')
            urlOptions[p[0]] = decodeURIComponent(p[1]);
    }

    if(typeof urlOptions.family !== 'string')
        urlOptions.family = '';

    if(typeof urlOptions.chart !== 'string')
        urlOptions.chart = '';
}

function netdataURL(url) {
    return url + '#top'
        + ';nowelcome=1'
        // + ';show_alarms=1'
        + ';chart=' + encodeURIComponent(urlOptions.chart)
        + ';family=' + encodeURIComponent(urlOptions.family)
        + ';alarm=' + encodeURIComponent(urlOptions.alarm)
        + ';alarm_unique_id=' + urlOptions.alarm_unique_id.toString()
        + ';alarm_id=' + urlOptions.alarm_id.toString()
        + ';alarm_event_id=' + urlOptions.alarm_event_id.toString()
        + ';alarm_when=' + urlOptions.alarm_when.toString()
        ;
}

var gotoServerValidateRemaining = 0;
var gotoServerMiddleClick = false;
var gotoServerStop = false;
var thisIsHttps = false;
var urlsInHttp = 0;
function gotoServerValidateUrl(id, guid, url) {
    var penaldy = 0;
    var error = 'failed';

    if(thisIsHttps === false && url.toString().startsWith('https://'))
        // we penalize https only if the current url is http
        // to allow the user walk through all its servers.
        penaldy = 500;

    else if(thisIsHttps === true && url.toString().startsWith('http://')) {
        error = 'can\'t check';
        urlsInHttp++;
    }

    var finalURL = netdataURL(url);

    setTimeout(function() {
        document.getElementById('gotoServerList').innerHTML += '<tr><td style="padding-left: 20px;"><a href="' + verifyURL(finalURL) + '" target="_blank">' + escapeUserInputHTML(url) + '</a></td><td style="padding-left: 30px;"><code id="' + guid + '-' + id + '-status">checking...</code></td></tr>';

        NETDATA.registry.hello(url, function(data) {
            if(typeof data !== 'undefined' && data !== null && typeof data.machine_guid === 'string' && data.machine_guid === guid) {
                // console.log('OK ' + id + ' URL: ' + url);
                document.getElementById(guid + '-' + id + '-status').innerHTML = "OK";

                if(!gotoServerStop) {
                    gotoServerStop = true;

                    if(gotoServerMiddleClick) {
                        window.open(finalURL);
                        gotoServerMiddleClick = false;
                        document.getElementById('gotoServerResponse').innerHTML = '<b>Opening new window to ' + NETDATA.registry.machines[guid].name + '<br/><a href="' + verifyURL(finalURL) + '">' + escapeUserInputHTML(url) + '</a></b><br/>(check your pop-up blocker if it fails)';
                    }
                    else {
                        document.getElementById('gotoServerResponse').innerHTML += 'found it! It is at:<br/><small>' + escapeUserInputHTML(url) + '</small>';
                        document.location = verifyURL(finalURL);
                    }
                }
            }
            else {
                if(typeof data !== 'undefined' && data !== null && typeof data.machine_guid === 'string' && data.machine_guid !== guid)
                    error = 'wrong machine';

                document.getElementById(guid + '-' + id + '-status').innerHTML = error;
                gotoServerValidateRemaining--;
                if(gotoServerValidateRemaining <= 0) {
                    gotoServerMiddleClick = false;
                    document.getElementById('gotoServerResponse').innerHTML = '<b>Sorry! I cannot find any operational URL for this server</b>';

                    if(thisIsHttps === true && urlsInHttp > 0) {
                        document.getElementById('gotoServerResponse').innerHTML += '<br/>redirecting myself to HTTP to allow checking';
                        document.location = verifyURL(document.location.toString().replace('https://', 'http://'));
                    }
                }
            }
        });
    }, (id * 50) + penaldy);
}

var netdataRegistryCallback = function(machines_array) {
    if(typeof urlOptions.host !== 'string') {
        document.getElementById('bodylog').innerHTML = "Sorry... bad request.";
        return;
    }

    document.getElementById('message').innerHTML = 'These are the URLs this machine is known:';

    if(document.location.toString().startsWith('https://'))
        thisIsHttps = true;

    if(machines_array) {
        var guids = {};
        var checked = {};
        var len = machines_array.length;
        var count = 0;

        while(len--) {
            if(machines_array[len].name === urlOptions.host) {
                var ulen = machines_array[len].alternate_urls.length;
                var guid = machines_array[len].guid;
                guids[guid] = true;

                gotoServerValidateRemaining = ulen;
                while(ulen--) {
                    var url = machines_array[len].alternate_urls[ulen];
                    checked[url] = true;
                    gotoServerValidateUrl(count++, guid, url);
                }

                setTimeout(function() {
                    if(gotoServerStop === false) {
                        document.getElementById('gotoServerResponse').innerHTML = '<b>Added all the known URLs for this machine.</b>';
                        var guid;
                        for(guid in guids) {
                            NETDATA.registry.search(guid, function(data) {
                                // console.log(data);
                                len = data.urls.length;
                                while(len--) {
                                    var url = data.urls[len][1];
                                    // console.log(url);
                                    if(typeof checked[url] === 'undefined') {
                                        gotoServerValidateRemaining++;
                                        checked[url] = true;
                                        gotoServerValidateUrl(count++, guid, url);
                                    }
                                }
                            });
                        }
                    }
                }, 2000);

                return false;
            }
        }
    }

    document.getElementById('bodylog').innerHTML = "Sorry... your account is not linked to a netdata server named: <b>" + escapeUserInputHTML(urlOptions.host) + '</b>';
};

netdataQueryParse();
</script>
<body>
<div class="container">
    <div id="bodylog" style="padding-top: 8vmax; font-size: 2.0vmax;">
        <span id="message">Please wait...</span>

        <div style="padding-top: 20px;">
            <table id="gotoServerList" class="table">
            </table>
        </div>
        <p style="padding-top: 10px;"><small>
            This page can only find netdata URLs you have already visited and are linked to your account on this netdata registry.
        </small></p>
        <div id="gotoServerResponse" style="display: block; width: 100%; text-align: center; padding-top: 20px;"></div>
    </div>

</div>
</body>
</html>
